Model-based inlet air dynamics state characterization
First Claim
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1. An inlet air dynamics (IAD) characterization control system for an internal combustion engine, comprising:
- a first module that estimates a future firing event manifold absolute pressure (MAP);
a second module that determines a MAP cycle difference based on said future firing event MAP and a previous cycle MAP; and
a third module that characterizes an IAD state based on said MAP cycle difference.
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Abstract
An inlet air dynamics (IAD) characterization control system for an internal combustion engine includes a first module that estimates a future firing event manifold absolute pressure (MAP) and a second module that determines a MAP cycle difference based on the future firing event MAP and a previous cycle MAP. A third module characterizes an IAD state based on the MAP cycle difference.
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Citations
20 Claims
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1. An inlet air dynamics (IAD) characterization control system for an internal combustion engine, comprising:
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a first module that estimates a future firing event manifold absolute pressure (MAP); a second module that determines a MAP cycle difference based on said future firing event MAP and a previous cycle MAP; and a third module that characterizes an IAD state based on said MAP cycle difference. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of characterizing inlet air dynamics (IAD) of an internal combustion engine, comprising:
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estimating a future firing event manifold absolute pressure (MAP); determining a MAP cycle difference based on said future firing event MAP and a previous cycle MAP; and characterizing an IAD state based on said MAP cycle difference. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A method of regulating engine operation based on inlet air dynamics (IAD), comprising:
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estimating a future firing event manifold absolute pressure (MAP); determining a MAP cycle difference based on said future firing event MAP and a previous cycle MAP; determining a moving average MAP cycle difference based on said MAP cycle difference; characterizing an IAD state based on said MAP cycle difference and said moving average MAP cycle difference; and selecting a cylinder air rate estimation routine based on said IAD state. - View Dependent Claims (17, 18, 19, 20)
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Specification